Misaki works for an IT company and admires his hard working boss. He gets nervous when they visit company he had quit before. Is he keeping some secret?

From Shinmakoku Scanlations:

Sometimes, destiny has other plans in motion. It can initiate love out of nowhere, and for Wataru, it's a bad thing. But Tachibana believes that destiny will bring him the true love he's been desperately searching for, only... he's been looking at the wrong direction!

Akari has always lived in the shadow of Yuka, her older sister: less athletic, less smart, less beautiful. When she gets a call from a popular boy in her high school confessing his feelings to her sister, she goes along with the ruse of pretending to be Yuka because she feels bad about turning him down.

Summary refers to the Ohzora Shuppan re-print, 2007:

1. Lovers and Souls
Shinomiya is a beautiful college art student who lacks the morals common to most people. After agreeing to be a nude model for Matsuoka, a photography student, he also agrees to sleep with him for money even though he is straight. However, what started as a small taste of the forbidden soon spirals out of control when Shinomiya begins selling his body to other guys as a prostitute in a male brothel. Can Matsuoka save Shinomiya from himself?

2. Vanity
After the events of Lovers and Souls, Tooru is still deeply heartbroken. Trying to find solace in Hikaru, Tooru challenges the terms of their friendship. But can he handle the consequences?

3. Sleeping Beauty
Matsuoka sees Tooru for the first time.

4. A Moon in Name Only
In their last year of high school, Akihiko Nozaki admits to his best friend Kai that he's gay. Kai is stunned but it doesn't change their friendship, but Kai's curiosity is aroused and he begins to see Nozaki differently.

5. The Name of that Sky
Sequel to "A Moon in Name Only", told more from Nozaki's point of view. Nozaki isn't sure whether to trust that his relationship with Kai will last, since he's even been dumped by gay men before. What's to keep a guy who wasn't even gay from breaking up with him?

Part of Rules / Hydra Series

Two lonely people who suffered the loss of their loved ones... The love story of our boys, Niiya Kaoru and Shirotsubaki Yoshiyuki, from strangers to lovers, how strong will their love be? Is it just for the sake of comforting? Share their love and feel the bond between them.

Also features cameo appearance of Akane Ryuuichi and Hasumi Akira from From Yesterday

Jae-in is an irrepressible girl who aims to be a champion, and Tae-jin is the innocent boy who loves her.
This is the story of their challenges on the road to the championships, and an unlikely summer-time love.

From Anime Monitor: Yamada’s passionate storytelling is realized through her star character, Reiji, a violin prodigy with a troubled childhood. Reiji turns to music in order to escape his abusive family, and is enrolled in a prestigious music school. There, he meets his mentor Mitsuko whose own dreams of becoming a professional musician were lost due to a tragic injury. Mitsuko’s fun-loving nature and enthusiasm for living comes up against Reiji’s intense, single-minded passion for music. But together they find a common goal in Reiji’s dreams of success. Intense rivalries unfold against the backdrop of the musical world, while Reiji’s turmoil provides heightened emotional drama.

From Yen Press:

A spoiled brat from a wealthy Japanese family, Tsuyoshi is unceremoniously shipped off to Korea by his strict grandfather who tells him the family secret — they’re Korean! Sparks fly when the resentful high schooler arrives at the airport and shares an impromptu cab ride with Kang Be-Ri, a plucky girl who happens to be his new neighbor. Will the two ever get past their differences? And will Tsuyoshi learn to accept his new destiny?

From Atelier du Noir Scans:

A Japanese reporter and a suspended American police officer follow a trail through New York City in 1991. The original one-shot that preceded the serialization “Have A Great Sunday".

A touching story of a young woman on the verge of adulthood who reminisces about a certain bakery she visited many times during her youth as she is on her way to visit it once more.

Chapter 1 From Attractive Fascinante:
Touya’s caretaker was sick and got the grandson, Okutera You, as his replacement. Okutera was a rash and arrogant guy. But he showed his gentleness when he comforted the sad Touya. Touya gradually fell in love with him. In the end, who was the master?

Chapter 2-3:
Tama, an actor, meets his step-brother on a shoot. Katsuki ran away when their parents found out that Tama and Katsuki were in a relationship. Tama still loves Katsuki, but something is keeping Katsuki from accepting his brother again.

Chapter 4:
A doctor is willing to do anything for his lover.

Chapter 5:
Story between an Av actor and director.

Chapter 6:
Salaryman gets attacked by his drunken kouhai.

Chapter 7:
continues chapter 1

1. Ringo, Ki kara Ochiru
2. Michi to no Souguu
3. Kanojo nano ni Otoko
4. Ore wa Ninkimono
- sequel: Boku wa Ninkimono (Erotoro v.4)
5. Afterward and Omake

1) 3つと3者の時間 - Time of Three Things & Three Persons
2) 眠れる森の嘘つき王子と偽文学少女 - The Liar Prince & Fake Literature Girl of the Forest That Can Sleep
3) 熱血ファンクラブ - Hot Blood Fan Club
4) あまりの器 - The Container of Not Much
5) 似せ者同士
6) 追え！謎先輩
7) 好きな人の、好きな人
8) 仰げば春
9) 学ランの先輩 - Gakuran no Senpai
10) 先輩はヴァンパイア
11) 綴じた花
12) 殺し屋 赤頭巾～先輩との正しいつきあい方～
13) 恋のミルクティー - Love's Milk Tea

Note: With the exception of the fifth one-shot, the other stories listed below have little to no BL content.

- Venez Chez Moi
An interwoven set of mini-chapters that blend seamlessly together, enabling the reader to catch a brief glimpse of the lives of men with many and varied personalities and circumstances.

- World Market
An author earns a living writing mediocre stories with morally questionable content, drawing inspiration from the eclectic mix of people who surround him...and learns that he may be more talented than he imagined.

- Dancing in the Snow
A supernatural story featuring Minami, Ideizumi and Kuzuha from So wa Reirei no Yuki ni Mai.

(Note: All the oneshots featuring this trio are gathered in the first volume of Rere Shuushuutan, which then continues with new stories about their involvement in various supernatural mysteries)

- Inhale and Exhale
Two artistic rivals whose devotion to their work has caused their relationships with the outside world to crumble, unexpectedly find themselves united in a common goal when one falls ill.

- Overflowing Swimming Pool
A short sequel to one of the author's previous yaoi works, Afuresou na Pool. As a stand-alone, this chapter makes little sense - so read only if you're familiar with the original series.

1) What's your name?

Shinta Yamada, a part-time convenience store worker, has just been dumped, unceremoniously, by his girlfriend. The reason? She’s fallen in love with someone else! Left to nurse his broken heart alone at work, Shinta finds himself falling head over heels for a customer at first sight. Unfortunately, the siren who’s finally caught his attention is a man, and likely one he’ll never see again. But fate is a terrible mistress and Yamada just might be meeting up with his male temptress in the near future...

2) Fifteen
Cute junior-high senior Nishihara meets highschooler Satoshi while touring a highschool. But... Satoshi mistakes him for a girl?!

3) The lingering scent of a rainbow
A touching story about Masashi Furuya, a junior-high Japanese teacher, and Ryu Yoneguni, his student. Ryu's amazing mind moves forward, wasted in the small countryside, while Furuya is lost in his colors, and left with the promise of sunflowers.

4-5) Milk & Sugar
From Vices and Devices:
A special focusing on childhood friends Sho and Taichi. Taichi always thought they would stay together forever, until Sho decides to up and move away without telling him about it. They run into each other again when Taichi's in university and they end up working at the same diner. This time, Taichi is determined to make it work out. Even if Sho's bisexual. Moral of the story: alcohol can only make things better.

6) Waiting for winter
Tetsuji Nakamura. Freelance photographer, 20 years experience.
Yoichi, a supernaturally beautiful man, picked up 2 years ago by Nakamura, now his exclusive model.
-----
Edition from 2016 contains additional extras

Tomo has always been stuck with the dependent Miyako ever since she was born. For half of his life, he had been forced to look out for her due to her clumsiness and unreliability. Simply put, he 'hates' her. But there is something that completely prevents him from telling her his real feelings. When she is about to move to the United States, will he be able to love and let go, all before it's too late? A lovely, touching story about a boy and the one most important to him.

From Attractive Fascinante:

1-2) A Return Flower
Masatsugu, a calligraphy sensei, liked his student, Sumiya, for a very long time. His feelings got stronger and he started to avoid eye contact with Sumiya. Sumiya sensed Masatsugu’s awkwardness and confronted him. They eventually did it and Sumiya didn’t look for Masatsugu anymore after that. Then one day, Masatsugu came home to find Sumiya at his doorstep…

3) Next Door
Hayato just moved from his hometown to the big city for university. Unsure in a new place, he finds comfort from his neighbor Arisue Takashi. Hayato very quickly realizes that what he feels for Arisue-san is more than friendship... it's love. Quietly ignoring his feelings, Hayato tries to help Arisue-san as much as possible - until one day a woman answers Arisue-san's door. Hayato excuses himself as fast as possible... will Takashi run after him, or will Hayato's love be forever unrequited?

4) Let's try it
Senpai-kouhai love!

5) Lost Article
The selfishness of each partner, and the sacrifices and compromises each side must do to make a relationship work out.

Extra) Have you got everything?

I can't avoid my local convenience store!